GCSS-MC Capability Support and Decommissioning Services

The Marine Corps Systems Command, acting for the Portfolio Acquisition Executive Mission Systems, issued this Sources Sought notice under solicitation number M67854-26-I-4414 to identify capable sources for the capability support and decommissioning of the Global Combat Support System Marine Corps (GCSS-MC). This Oracle-based Enterprise Resource Planning software system utilizes significant Java and HTML form customizations to manage and automate logistics, supply, and maintenance operations for over 25,000 worldwide users. The scope of this market research is limited to supporting the current system through its decommissioning and does not include any modernization or enhancement efforts.

The primary classification for this requirement is NAICS 541519 Other Computer Related Services, and the product service code is DA01 IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SUPPORT SERVICES (LABOR). There is no set-aside associated with this notice, listed as acronym NONE and explanation NONE. Responses are due by May 14, 2026, and the designated place of performance is Stafford, Virginia. Hannah Thompson is the point of contact for this notice, which was published on April 16, 2026, and last updated on May 13, 2026.

The solicitation includes three total attachments: a questions and answers document (QA_26I4414_130526.pdf), the initial RFI document (RFI_26I4414_160426.pdf), and a legacy performance work statement (Att 1 Legacy GCSS-MC PDSS PWS FINAL.pdf). These documents were posted between April 16, 2026, and May 13, 2026. All activities are conducted under Federal Acquisition Regulation Part 10 to assist the agency in identifying interested and capable sources.